{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T23:09:53Z","timestamp":1792192193179,"version":"4.4.0"},"reference-count":35,"publisher":"National Athletic Trainers' Association","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,3,1]]},"abstract":"<jats:sec><jats:title>Context:<\/jats:title><jats:p>Sensorimotor control is impaired after ankle injury and in fatigued conditions. However, little is known about fatigue-induced alterations of postural control in athletes who have experienced an ankle sprain in the past.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective:<\/jats:title><jats:p>To investigate the effect of fatiguing exercise on static and dynamic balance abilities in athletes who have successfully returned to preinjury levels of sport activity after an ankle sprain.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design:<\/jats:title><jats:p>Cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting:<\/jats:title><jats:p>University sport science research laboratory.<\/jats:p><\/jats:sec><jats:sec><jats:title>Patients or Other Participants:<\/jats:title><jats:p>30 active athletes, 14 with a previous severe ankle sprain (return to sport activity 6\u201336 months before study entry; no residual symptoms or subjective instability) and 16 uninjured controls.<\/jats:p><\/jats:sec><jats:sec><jats:title>Intervention(s):<\/jats:title><jats:p>Fatiguing treadmill running in 2 experimental sessions to assess dependent measures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main Outcome Measure(s):<\/jats:title><jats:p>Center-of-pressure sway velocity in single-legged stance and time to stabilization (TTS) after a unilateral jump-landing task (session 1) and maximum reach distance in the Star Excursion Balance Test (SEBT) (session 2) were assessed before and immediately after a fatiguing treadmill exercise. A 2-factorial linear mixed model was specified for each of the main outcomes, and effect sizes (ESs) were calculated as Cohen d.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p>In the unfatigued condition, between-groups differences existed only for the anterior-posterior TTS (P = .05, ES = 0.39). Group-by-fatigue interactions were found for mean SEBT (P = .03, ES = 0.43) and anterior-posterior TTS (P = .02, ES = 0.48). Prefatigue versus postfatigue SEBT and TTS differences were greater in previously injured athletes, whereas static sway velocity increased similarly in both groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions:<\/jats:title><jats:p>Fatiguing running significantly affected static and dynamic postural control in participants with a history of ankle sprain. Fatigue-induced alterations of dynamic postural control were greater in athletes with a previous ankle sprain. Thus, even after successful return to competition, ongoing deficits in sensorimotor control may contribute to the enhanced ankle reinjury risk.<\/jats:p><\/jats:sec>","DOI":"10.4085\/1062-6050-48.1.08","type":"journal-article","created":{"date-parts":[[2013,3,15]],"date-time":"2013-03-15T19:52:05Z","timestamp":1363377125000},"page":"203-208","source":"Crossref","is-referenced-by-count":66,"title":["Fatigue-Induced Alterations of Static and Dynamic Postural Control in Athletes With a History of Ankle Sprain"],"prefix":"10.4085","volume":"48","author":[{"given":"Simon","family":"Steib","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Astrid","family":"Zech","sequence":"first","affiliation":[{"name":"Department of Human Movement Science, University of Hamburg, Hamburg, 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